CVE-2026-20235
Cisco Identity Services Engine Information Disclosure Vulnerability
Description
A vulnerability in the API of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to view sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient validation of user-supplied parameters in API requests. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.
Weakness: CWE-89
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Identity Services Engine (ISE) Check your version | Identity / IAM / MFA | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Identity Services Engine Software
Vendor advisory
Cisco Identity Services Engine Information Disclosure Vulnerability
Cisco’s rating: Medium (advisory CVSS 4.9) · Published Sep 16, 2026
Bug ID: CSCwu43530
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from